ReactJS is a JavaScript library used to build large applications with data that changes over time. Facebook and Instagram are the pioneers of this innovative bit of tech, which is used to perform huge tasks with relatively little code. Paul Hudson — author of the eBook Hacking With React — refers to it as the gold standard of modern code.

Given that it’s used by leading websites such as Netflix, Imgur, Airbnb, and many more, you can see why he might have a point.

The 44 hours of training cover everything from large-scale web development to building apps for iOS and Android. In addition to React, you’ll learn about other tools such as Flux, which is an architecture used internally by Facebook. Another example is ExpressJS, which allows developers to easily organize their code, add more functionality, and configure servers.

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